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Hi Pierre,</div>
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very nice talk. </div>
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I have several remarks.</div>
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Page 3. ... must <span style="color: rgb(237, 92, 87);">be </span>understood or ruled out</div>
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I think that after the latest paper by Craig Roberts (2405.17675) and his report at the User Meeting on Wednesday </div>
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we have to be careful about making strong statement regarding access to the GFF from the J/psi near threshold photoproduction.</div>
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He wrote: It is premature to link existing photoproduction data with in-proton gluon distributions ....</div>
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We have access to GFF only within the framework of GPD models, which may or may not be correct. </div>
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Page 8.</div>
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HTCC Nphe distribution look not very impressive. How did you get it?</div>
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Page 12</div>
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Are you using Gaussian function to fit the J/psi signal? I think that we have to use convolution off the radiative tail with the experimental resolution to take into account radiative tail. </div>
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Page 13</div>
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People will read this sentence " High Q^2 background" like we have background from the electron scattering events with high Q^2. </div>
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Page 35, 38</div>
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Radiative effects.</div>
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Soft photon corrections based on the BH process give a factor of 2 higher corrections than the correct one based on the J/psi ptotoproduction.</div>
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And we need not only soft photon correction but the hard photon corrections to fully account for the radiative effects.</div>
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Both these corrections are available now. </div>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">Good luck!,</span></div>
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Valery</div>
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<div id="divRplyFwdMsg" dir="ltr" style="color: inherit;"><span style="font-family: Calibri, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);"><b>From:</b> Clas12_dileptons <clas12_dileptons-bounces@jlab.org> on behalf of Pierre Chatagnon via Clas12_dileptons
<clas12_dileptons@jlab.org><br>
<b>Sent:</b> Wednesday, June 12, 2024 16:24<br>
<b>To:</b> clas12_dileptons@jlab.org <clas12_dileptons@jlab.org><br>
<b>Subject:</b> [Clas12_dileptons] Slides for next week presentation at the SoLID workshop in ANL</span>
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Hello all,</div>
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I will be presenting the CLAS12 Jpsi effort next week at the SoLID workshop in ANL. Everything included is in my release note. I also include one slide on Richard's work on RGB also in his note. The presentation is 30 minutes.</div>
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I have just remade some of the plot aesthetically and added some on the GFF interpretation.</div>
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Please send me your comments before next Monday, the day of the talk.</div>
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Best</div>
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Pierre</div>
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